Ingredients:
- 3 cups all-purpose flour
- 1/2 teaspoon baking soda
- 1/2 teaspoon salt
- Zest of 1 medium grapefruit, finely chopped
- 3 cups granulated sugar, divided
- 1 cup unsalted butter, cut in 1-inch pieces, at room temperature
- 6 large eggs
- 1 cup plain non-fat yogurt or sour cream
- 1 teaspoon almond extract
- 1/2 teaspoon vanilla extract
- 3/4 cup fresh pink grapefruit juice, divided
- 2 cups powdered sugar